Listen to Guru Kalpotoru Mule online. Guru Kalpotoru Mule is a Bengali language song and is sung by Murshed Alam Sarkar. Guru Kalpotoru Mule, from the album Mon Pagol Tui Morbi Kobe, was released in the year 2013. The duration of the song is 5:17. Download Bengali songs online from JioSaavn.